Lady Vols basketball coach Pat Summitt has been diagnosed with dementia, but she still plans to coach.

This letter and a video from Summitt was posted at the Lady Vols websitejust after 2 pm:

Dear All -

Throughout my career, I have always made it a point that my life and my basketball program were an open book.

With that in mind, I have something I'd like to share with my Tennessee families -- the university, boosters and fans of Lady Vol basketball.

Once last season concluded, I addressed some ongoing concerns regarding my health. After consulting with my local physicians, I decided to visit the Mayo Clinic in Rochester, Minn.

Earlier this summer, the doctors at the Mayo Clinic diagnosed me with early onset dementia ("Alzheimer's Type") at the age of 59.

I plan to continue to be your coach. Obviously, I realize I may have some limitations with this condition since there will be some good days and some bad days.

For that reason, I will be relying on my outstanding coaching staff like never before. We have always collaborated on every facet of Lady Vol basketball; and now you will see Holly Warlick, Dean Lockwood and Mickie DeMoss taking on more responsibility as their duties will change significantly.

I love being your coach and the privilege to go to work every day with our outstanding Lady Vol basketball student-athletes. I appreciate the complete support of UT Chancellor Dr. Jimmy Cheek and UT Athletics Director Joan Cronan to continue coaching at the University of Tennessee as long as the good Lord is willing.

I've been honest and shared my health concerns with you, and now we'll move forward to the business at hand... coaching a great group of Lady Vols. For the time being, I hope you will respect my privacy regarding this matter.

Thank you.

Go Lady Vols!

Pat Summitt

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A formal announcement from the university is expected Tuesday afternoon.

Summitt, 59, is one of the most successful basketball coaches in history, men's or women's.

Summitt has led her teams to eight national championships and an Olympic gold medal.

CBS Sports says former players from all over the country are flying to Knoxville to offer their support. One of those players told CBS Sports that Summitt will try to coach this year.

10News will have more on this developing story as it becomes available.